Knowledge base for software setup, errors, and daily tool work.

Fix Microsoft Teams Audio Not Working on Mac

You join a meeting in Microsoft Teams on your Mac, but no one can hear you, or you can't hear the...

How to Fix Chrome SSL Certificate Error After Update

Fix Chrome Authentication Failed by Clearing Cache

You're trying to sign in to a website in Chrome, but you get an "authentication failed" error. Th...

Fix Chrome Authentication Failed Certificate Error

When Chrome shows "authentication failed" with a certificate error, it usually means the browser ...

Fix Windows Update Module Not Found Error: Tool Usage & Repair

If you see an error message saying 'Windows Update module not found' or 'wuapi.dll is missing', W...

Fix Port Already Allocated Error for Windows Update on Windows 10

You try to run Windows Update but get an error message like 'port already allocated'. This usuall...